#include <iostream>
#include <string>
#include <cmath>
using namespace std;

void swap(int &x, int &y)
{
	int z = x;
	x = y;
	y = z;
}

int main()
{
	int my_age = 32;
	int your_age = 24;

	swap(my_age, your_age);

	cout << my_age << endl;	   // 24
	cout << your_age << endl;  // 32

	system("pause");
}